Elephant Ear Fern (Platycerium elephantotis): Staghorn Fern with Broad Shields

Overview

Elephant ear fern (Platycerium elephantotis), also called cabbage fern, is a striking staghorn fern native to tropical Africa. It is distinguished by its enormous, rounded, cabbage-like sterile fronds (shields) that can reach 1 m wide, forming a massive nest to catch debris and moisture.

Botanical Description

The plant produces two frond types: sterile (shield) fronds and fertile (antler) fronds. Shield fronds are broad, rounded, deeply lobed, light green maturing to papery brown, forming a massive basal cup. Fertile fronds are erect, dichotomously forked into long, strap-like segments, 60–100 cm long, bearing brown sporangia on the underside of the terminal lobes. The rhizome is short, creeping, covered in brown scales.

Taxonomy

Family:	Polypodiaceae
Genus:	Platycerium (plat-ee-SIR-ee-um)
Species:	elephantotis (el-eh-fun-TOH-tis)
Synonym:	Platycerium angolense

Cultivation Requirements

• Light: Bright, filtered light; no direct sun.
• Mounting: Essential—mount on a large plaque, tree fern slab, or in a hanging basket with coarse, well-drained epiphyte mix.
• Water: Soak root ball thoroughly, then allow to dry slightly. High humidity.
• Hardiness: USDA zones 10–11; strictly tropical.

Garden Uses

Spectacular specimen for large conservatories, tropical greenhouses, and frost-free shaded patios. Mount high on a wall or tree trunk for dramatic effect. Requires ample space for the massive shields. A collector's plant for fern enthusiasts.

Notes

One of the largest Platycerium species. The shields can hold several liters of water and organic matter, creating a mini-ecosystem. In nature, hosts ants and other invertebrates. Ensure the mounting structure can support the considerable weight of a mature plant.